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Caterpillar “G” Series Motor Grader Transmissions and Transmission Controls
ISSN: 0148-7191, e-ISSN: 2688-3627
Published February 01, 1976 by SAE International in United States
Annotation ability available
This paper describes the concept and design of the Caterpillar “G” series motor grader transmission and transmission controls. Comments on vehicle performance, power train, and oil system requirements are included.
Countershaft directional clutches are combined with six or eight speed planetary ranges for this family of articulated motor graders.
The pilot-operated hydraulic control provides smooth rapid gear ratio changes and “inching” modulation for the pressure lubed directional clutches.
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